WO2022083499A1 - Dispositif de changement de rouleau de languette et appareil d'enroulement - Google Patents

Dispositif de changement de rouleau de languette et appareil d'enroulement Download PDF

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Publication number
WO2022083499A1
WO2022083499A1 PCT/CN2021/123888 CN2021123888W WO2022083499A1 WO 2022083499 A1 WO2022083499 A1 WO 2022083499A1 CN 2021123888 W CN2021123888 W CN 2021123888W WO 2022083499 A1 WO2022083499 A1 WO 2022083499A1
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WO
WIPO (PCT)
Prior art keywords
clamping assembly
tab
assembly
fixed
floating
Prior art date
Application number
PCT/CN2021/123888
Other languages
English (en)
Chinese (zh)
Inventor
杨晓飞
钟鹏
Original Assignee
无锡先导智能装备股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 无锡先导智能装备股份有限公司 filed Critical 无锡先导智能装备股份有限公司
Priority to EP21881917.5A priority Critical patent/EP4117077A1/fr
Publication of WO2022083499A1 publication Critical patent/WO2022083499A1/fr
Priority to US17/916,079 priority patent/US11753264B2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • B65H19/286—Attaching the leading end of the web to the replacement web-roll core or spindle by applying adhesive to the web
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1842—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact
    • B65H19/1852—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact taking place at a distance from the replacement roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1857—Support arrangement of web rolls
    • B65H19/1873—Support arrangement of web rolls with two stationary roll supports carrying alternately the replacement and the expiring roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/005—Devices for making primary cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/04—Cells with aqueous electrolyte
    • H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
    • H01M6/10—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with wound or folded electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/462—Form of splice
    • B65H2301/4622—Abutting article or web portions, i.e. edge to edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/22—Splicing machines
    • B65H2408/221—Splicing machines features of splicing unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present application relates to the technical field of battery manufacturing, and in particular, to a tab roll changing device and a winding device.
  • the cathode sheet, the separator and the anode sheet need to be wound to form a cell.
  • the pole tab Before the pole piece enters the winding device for winding, the pole tab needs to be welded at a specific position of the pole piece, and then the pole piece is wound together with the pole piece.
  • the tabs are provided by the method of unwinding the tab, so when a tab reel is used up, it needs to be replaced with a new tab reel.
  • the tab material roll is replaced by manual roll change, which results in longer downtime, reduces production efficiency, and increases labor costs.
  • a pole ear roll changing device comprising:
  • an unwinding mechanism including a first unwinding assembly and a second unwinding assembly for unwinding the output tab material tape;
  • a roll changing mechanism is arranged on the downstream side of the unwinding mechanism, and includes a transfer plate and a first floating clamp assembly and a second floating clamp assembly mounted on the transfer plate, the first floating clamp The holding assembly and the second floating clamping assembly are respectively used to clamp the tab strips output by the first unwinding assembly and the second unwinding assembly;
  • the first fixed clamping component on the downstream side of the transfer plate, the first fixed clamp component is used to clamp the passing tab material strip;
  • the transfer plate is arranged reciprocatingly along the first direction, and along the During the reciprocating movement in the first direction, the first floating clamping assembly and the second floating clamping assembly can be alternately aligned with the first fixed clamping assembly;
  • a belt splicing mechanism for clamping the tab material tape clamped to the first fixed clamping assembly and clamped to the first floating clamping assembly or the first floating clamping assembly aligned with the first fixed clamping assembly The tab strips of the two floating clamping assemblies are connected.
  • the reciprocating movement of the transfer plate along the first direction includes a first position and a second position
  • the first floating clamping assembly When the transfer plate moves to the first position, the first floating clamping assembly is aligned with the first fixed clamping assembly, and the belt connecting mechanism is used to connect the first floating clamping assembly
  • the belt connecting mechanism is used to connect the first floating clamping assembly
  • the cutting mechanism is used to cut the first floating clamp assembly and the first fixed clamp assembly together Clamped tab strip
  • the second floating clamping assembly When the transfer plate moves to the second position, the second floating clamping assembly is aligned with the first fixed clamping assembly, and the belt connecting mechanism is used to connect the second floating clamping assembly
  • the belt connecting mechanism is used to connect the second floating clamping assembly
  • the cutting mechanism is used to cut the second floating clamp assembly and the first fixed clamp assembly together Clipped tab strips.
  • the reel changing mechanism further includes a second fixed clamping assembly and a third fixed clamping assembly, the second fixed clamping assembly and the third fixed clamping assembly are respectively arranged on the two sides of the first fixed clamping assembly in the first direction;
  • the second floating clamping assembly When the transfer plate is in the first position, the second floating clamping assembly is aligned with the third fixed clamping assembly, and the third fixed clamping assembly is used for clamping through the second the tab material strip of the floating clamping assembly, the cutting mechanism is further used to cut off the tab material strip jointly clamped by the second floating clamping assembly and the third fixed clamping assembly;
  • the first floating clamping assembly is aligned with the second fixed clamping assembly, and the second fixed clamping assembly is used for clamping through the first
  • the cutting mechanism is further configured to cut off the tab material strip jointly clamped by the first floating clamping assembly and the second fixed clamping assembly.
  • the cutting mechanism includes a first cutting unit and a second cutting unit arranged on the transfer plate along the first direction, and the first cutting unit is located in the The downstream side of the first floating clamping assembly is used for cutting the tab strip passing through the first floating clamping assembly, and the second cutting unit is located on the downstream side of the second floating clamping assembly, used for Cut the tab strip passing through the second floating clamp assembly.
  • the cutting mechanism further includes a mounting plate, the mounting plate is disposed on the transfer plate;
  • the first cutting unit includes a first fixed cutter structure and a first movable cutter structure, the first fixed cutter structure is arranged on the mounting plate, and the first movable cutter structure is arranged on the first cutter.
  • One side of a fixed cutter structure in the first direction and can be controlled close to or away from the first fixed cutter structure, so that the first movable cutter structure cooperates with the first fixed cutter structure
  • the knife structure cuts the tab strip;
  • the second cutting unit includes a second fixed cutter structure and a second movable cutter structure, the second fixed cutter structure is arranged on the mounting plate, and the second movable cutter structure is arranged on the first One side of the two fixed cutter structures in the first direction, and can be controlled close to or away from the second fixed cutter structure, so that the second movable cutter structure cooperates with the second fixed cutter structure
  • the knife structure cuts the tab strip.
  • the cutting mechanism further includes a guide column and a cutting driving member
  • the guide column is slidably connected with the first fixed cutter structure, and the guide column extends longitudinally along the first direction; the first movable cutter structure and the second movable cutter structure are connected to The guide column moves in the first direction in synchronization with the guide column, so that the first movable cutter structure and the second movable cutter structure are respectively close to or away from the first fixed cutter structure and the second fixed cutter structure;
  • the cutting driver is mounted on the mounting plate and is connected with the first movable cutter structure in a driving manner.
  • the roll changing mechanism further includes a moving drive member, the cutting mechanism is movably connected to the transfer plate along a second direction perpendicular to the first direction, the moving drive The piece is arranged on the transfer plate and is connected with the cutting mechanism in a driving manner;
  • an avoidance position for avoiding position and a cutting position for cutting the tab material tape are included.
  • the tape splicing mechanism includes a moving component and a glue wrapping component, and the glue wrapping component is disposed on the moving component to be driven by the moving component to move in the first direction;
  • the glue wrapping assembly has a glue wrapping platform for carrying the tape, and in the process of moving along the first direction, the end of the tab material band clamped on the first fixed clamping assembly and the The end of the tab material band clamped on the first floating clamping assembly or the second floating clamping assembly is carried on the glue wrapping platform; the glue wrapping assembly is used for wrapping the tape on the The ends of the two tab strips carried on the gluing platform.
  • the moving component is further configured to drive the gluing component to move in a second direction perpendicular to the first direction;
  • the movement of the glue wrapping assembly along the second direction includes a position avoidance position for position avoidance and a glue wrapping position for wrapping glue.
  • the glue-coated platform has an adsorption area and two air blowing areas located on both sides of the adsorption area in a second direction perpendicular to the first direction, and the adsorption areas can adsorb For the adhesive tape, each of the blowing regions can blow up the corresponding end of the adhesive tape;
  • the glue wrapping assembly further includes a glue wrapping base, a glue wrapping wheel and a glue wrapping drive member, the glue wrapping platform is arranged on the glue wrapping base, and the glue wrapping wheel is rotatably arranged on the glue wrapping platform along the glue wrapping platform.
  • the rubber coating platform and the rubber coating driving member are used to drive the rubber coating wheel to roll back and forth between the two air blowing areas.
  • the glue-coated assembly further includes a movable base, a swing base and a third elastic member, the movable base is movably connected to the glue-coated base along the second direction, and the glue-coated base is movably connected to the glue-coated base.
  • the driving member is connected with the moving base in a driving manner
  • the swinging base is rotatably connected to the moving base around a swinging axis
  • the rubber wrapping wheel is installed on one end of the swinging base
  • the third elastic member abuts against The other opposite end of the swing seat and the moving seat provide a pre-tightening force for making the rubber wrapping wheel press against the glue wrapping platform.
  • the rubber wrapping assembly further includes a third abutting structure, the third abutting structure includes a mounting seat, a first abutting driving member and a first abutting block, the mounting seat is mounted on the In the rubber-coated base, the first pressing driving member is installed on the mounting seat, and the first pressing block is drivingly connected to the first pressing driving member, so that the first pressing driving member is connected to the first pressing driving member.
  • the adhesive tape wrapped on the ends of the two tab strips carried on the rubber-coated platform is compacted under the driving of the rubber-coated platform.
  • the pressing component further includes a second pressing driving member and a second pressing block, the second pressing driving member is mounted on the mounting seat, and the second pressing block drives connected to the second abutting driving member, so as to clamp the tab strip and the first floating clamping member of the first fixed clamping assembly under the driving of the second abutting driving member The assembly or the tab material strip of the second floating clamping assembly is pressed against the rubber-coated platform.
  • a winding device includes the tab winding changing device as described in any of the above embodiments.
  • the above-mentioned tab roll changing device takes the tab material tape unwinding and outputting from the first unwinding assembly as the working material tape, and the tab material tape unwinding and outputting from the second unwinding assembly as the spare material tape.
  • the floating clamping assembly is aligned with the first fixed clamping assembly, the tab material tape unwinding output from the first unwinding assembly is conveyed downstream through the first floating clamping assembly and the first fixed clamping assembly in turn, and the second unwinding assembly The tab material tape output from the unwinding is clamped by the second floating clamping assembly.
  • the first floating clamping assembly and the first fixed clamping assembly jointly clamp the tab material tape unrolled by the first unwinding assembly, and cut The cutting mechanism cuts the tab strip.
  • the transfer plate is moved in the first direction until the second floating clamping assembly is aligned with the first fixed clamping assembly, so that the end of the tab strip clamped by the second floating clamping assembly and the first fixed clamping assembly clamp The ends of the tab material strips held correspond to each other (at this time, the tab material roll on the first unwinding assembly can be replaced to prepare for the next roll change). And then.
  • the strap connection mechanism connects the end of the tab material strip clamped by the second floating clamping assembly with the end of the tab material strip clamped by the first fixed clamping assembly. Finally, the second floating clamping assembly and the first fixed clamping assembly are released, so that the tab material tape unwinded and output by the second unwinding assembly is conveyed downstream through the second floating clamping assembly and the first fixed clamping assembly , that is, the roll change is realized.
  • the tab roll changing device of the present application can realize automatic switching of the tab material tape (ie, automatic roll change), and compared with the manual roll change method adopted in the prior art, the downtime is greatly shortened and the production efficiency is improved. , and reduce labor costs.
  • FIG. 1 is a front view of a tab roll changing device in an embodiment of the application (with the tape splicing mechanism omitted);
  • Fig. 2 is the rear view of the tab roll changing device shown in Fig. 1;
  • Fig. 3 is the structural schematic diagram of the roll changing mechanism and the cutting mechanism of the tab roll changing device shown in Fig. 1;
  • FIG. 4 is a front view of the tab roll changing device shown in FIG. 1 (some components of the cutting mechanism and the roll changing mechanism are omitted);
  • Fig. 5 is a side view of the tab roll changing device shown in Fig. 1;
  • Fig. 6 is the top view of the tape splicing mechanism of the tab roll changing device shown in Fig. 5;
  • FIG. 7 is a schematic structural diagram of a glue coating platform of the glue coating assembly of the tape splicing mechanism shown in FIG. 6 .
  • first and second are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with “first”, “second” may expressly or implicitly include at least one of that feature.
  • plurality means at least two, such as two, three, etc., unless expressly and specifically defined otherwise.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit.
  • installed may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit.
  • a first feature "on” or “under” a second feature may be in direct contact with the first and second features, or the first and second features indirectly through an intermediary touch.
  • the first feature being “above”, “over” and “above” the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
  • the first feature being “below”, “below” and “below” the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.
  • an embodiment of the present application provides a tab roll changing device, including an unwinding mechanism, a roll changing mechanism, a cutting mechanism 30 and a tape splicing mechanism 70 (see FIG. 4 ) .
  • the unwinding mechanism includes a first unwinding assembly 11 and a second unwinding assembly 12, and both the first unwinding assembly 11 and the second unwinding assembly 12 are used for unwinding the output tab tape a.
  • the rewinding mechanism is arranged on the downstream side of the unwinding mechanism, so that the tab strips a unrolled and output by the first unwinding assembly 11 and the second unwinding assembly 12 can be conveyed downstream through the rewinding mechanism.
  • the roll changing mechanism includes a transfer plate 21 and a first floating clamping assembly 22 and a second floating clamping assembly 23 mounted on the transfer plate 21 .
  • the first floating clamping assembly 22 and the second floating clamping assembly 23 are respectively used to clamp the tab material tape a unrolled by the first unwinding assembly 11 and the second unwinding assembly 12 .
  • the roll changing mechanism further includes a first fixed clamping component 24 arranged on the downstream side of the transfer plate 21 , and the first fixed clamping component 24 is used for clamping the passing tab material tape a.
  • the transfer plate 21 can be reciprocated along the first direction, and the first floating clamping assembly 22 and the second floating clamping assembly 23 can alternately and the first fixed clamping assembly 24 during the reciprocating movement in the first direction. Align.
  • the cutting mechanism 30 is used to cut off the tab material tape a jointly clamped by the first floating clamping assembly 22 or the second floating clamping assembly 23 and the first fixed clamping assembly 24 .
  • the tape splicing mechanism 70 is used to clamp the tab strip a clamped to the first fixed clamp assembly 24 and clamped to the first floating clamp assembly 22 or the second floating clamp aligned with the first fixed clamp assembly 24 The tab strips a of the assembly 23 are connected.
  • the tab reel changing device take the tab material tape a unwinding and outputting from the first unwinding assembly 11 as a working material tape, and the tab material tape a unwinding and outputting from the second unwinding assembly 12 as a spare material tape as an example,
  • the first floating clamping assembly 22 is aligned with the first fixed clamping assembly 24, and the tab material tape a unrolled by the first unwinding assembly 11 passes through the first floating clamping assembly 22 and the first fixed clamping assembly in turn. 24 is conveyed downstream, and the tab material tape a unrolled by the second unwinding assembly 12 is clamped by the second floating clamping assembly 23 .
  • the first floating clamping assembly 22 and the first fixed clamping assembly 24 jointly clamp the tabs output by the first unwinding assembly 11 tape a
  • the tab tape a is cut by the cutting mechanism 30 .
  • the transfer plate 21 is moved in the first direction until the second floating clamping assembly 23 is aligned with the first fixed clamping assembly 24, so that the end of the tab strip a clamped by the second floating clamping assembly 23 and the first The ends of the tab material strip a held by the fixed holding assembly 24 correspond to each other. And then.
  • the splicing mechanism 70 connects the end of the tab material strip a held by the second floating clamping assembly 23 and the end of the tab material strip a held by the first fixed clamping assembly 24 . Finally, the second floating clamping assembly 23 and the first fixed clamping assembly 24 are released, so that the tab material tape a unrolled by the second unwinding assembly 12 can pass through the second floating clamping assembly 23 and the first fixing clamp The holding assembly 24 is transported downstream, that is, the roll change is realized.
  • the tab roll changing device of the present application can realize automatic switching of the tab material tape a (ie, automatic roll change), and compared with the manual roll change method adopted in the prior art, the downtime is greatly shortened and the production is improved. efficiency and reduce labor costs.
  • the tab roll changing device further includes a base plate 40 , and the first unwinding assembly 11 , the second unwinding assembly 12 and the first fixing and clamping assembly 24 are all mounted on the base plate 40 .
  • the transfer plate 21 of the roll changing mechanism is movably connected to the base plate 40 along the first direction. In this way, each part of the tab roll changing device is integrated on the base plate 40, which is beneficial to improve the compactness of the structure and reduce the space occupied by the tab roll changing device.
  • the roll change mechanism further includes a roll change drive member 27 , which is disposed on the base plate 40 and is drivingly connected with the transfer plate 21 to drive the transfer plate 21 to reciprocate relative to the base plate 40 in the first direction.
  • the reel change drive 27 may be an air cylinder.
  • a sliding block is fixedly connected to the transfer plate 21 , and a sliding rail 42 extending longitudinally along the first direction is fixedly connected to the base plate 40 .
  • the sliding block is slidably connected to the sliding rail 42 , so that the transfer plate 21 can move relative to the base plate 40 along the first direction.
  • the base plate 40 has a back surface and a front surface opposite to the back surface.
  • the substrate 40 is provided with through holes 41 penetrating through the back and the front to expose the part of the transfer board 21 .
  • the cutting mechanism 30 , the first floating clamping assembly 22 and the second floating clamping assembly 23 are all located in the part of the transfer plate 21 exposed by the through hole 41 , which makes the layout more reasonable, the structure more compact, and the maintenance is convenient.
  • the reciprocating movement of the transfer plate 21 in the first direction includes a first position and a second position.
  • the first floating clamping assembly 22 When the transfer plate 21 is moved to the first position, the first floating clamping assembly 22 is aligned with the first fixed clamping assembly 24 , and the belt connecting mechanism 70 is used to connect the tab material tape clamped by the first floating clamping assembly 22 a and the tab material tape a held by the first fixed holding assembly 24 , and the cutting mechanism 30 is used to cut off the tab material tape a held by the first floating holding assembly 22 and the first fixed holding assembly 24 .
  • the actions of the tape splicing mechanism 70 and the cutting mechanism 30 should be understood as that, during the current roll change process, after the transfer plate 21 moves to the first position, the tape splicing mechanism 70 is used to clamp the first floating
  • the tab material tape a held by the assembly 22 is connected to the tab material tape a held by the first fixed holding assembly 24, so that the tab material tape a unrolled by the first unwinding assembly 11 passes through the first floating clamp
  • the holding assembly 22 and the first fixed clamping assembly 24 are conveyed downstream (that is, the roll change is completed at this time, and the material tape output by the first unwinding assembly 11 is used as the working material belt).
  • the cutting mechanism 30 cuts off the tab strip a jointly clamped by the first floating clamping assembly 22 and the first fixed clamping assembly 24, so as to facilitate Carry out the subsequent roll change action. That is to say, when the transfer plate 21 is moved to the first position, the tape connection mechanism 70 connects the tab material tape a held by the first floating holding assembly 22 and the tab material held by the first fixed holding assembly 24 With a is to complete the current roll change action. However, the cutting mechanism 30 cuts off the tab material tape a jointly clamped by the first floating clamping assembly 22 and the first fixed clamping assembly 24 in order to complete the next roll change operation.
  • the second floating clamp assembly 23 is aligned with the first fixed clamp assembly 24 , and the belt connecting mechanism 70 is used to connect the second floating clamp assembly
  • the tab material tape a held by 23 and the tab material tape a held by the first fixed holding assembly 24, and the cutting mechanism 30 is used to cut off the second floating holding assembly 23 and the first fixed holding assembly 24. Hold the tab strip a.
  • the actions of the tape splicing mechanism 70 and the cutting mechanism 30 should be understood as, in the current roll change process, after the transfer plate 21 moves to the second position, the tape splicing mechanism 70 is used to clamp the second floating
  • the tab material tape a held by the assembly 23 is connected to the tab material tape a held by the first fixed holding assembly 24, so that the tab material tape a unwinded by the second unwinding assembly 12 passes through the second floating clamp
  • the holding assembly 23 and the first fixed clamping assembly 24 are conveyed downstream (that is, the roll change is completed at this time, and the material tape output by the second unwinding assembly 12 is used as the working material belt).
  • the cutting mechanism 30 cuts off the tab material tape a jointly clamped by the second floating clamping assembly 23 and the first fixed clamping assembly 24, so as to facilitate Carry out the subsequent roll change action. That is to say, when the transfer plate 21 is moved to the second position, the tape connecting mechanism 70 connects the tab material tape a held by the second floating holding assembly 23 and the tab material held by the first fixed holding assembly 24 With a is to complete the current roll change action. However, the cutting mechanism 30 cuts off the tab material tape a jointly clamped by the second floating clamping assembly 23 and the first fixed clamping assembly 24 in order to complete the next roll change operation.
  • the reel changing mechanism further includes a second fixed clamping assembly 25 and a third fixed clamping assembly 26, and the second fixed clamping assembly 25 and the third fixed clamping assembly 26 are respectively arranged on the first fixed clamping assembly 24 at the position of the first fixed clamping assembly 24. both sides in the first direction. More specifically, the second fixed clamping assembly 25 and the third fixed clamping assembly 26 are mounted on the base plate 40 .
  • the second floating clamping assembly 23 is aligned with the third fixed clamping assembly 26 , and the third fixed clamping assembly 26 is used to clamp the poles passing through the second floating clamping assembly 23
  • the cutting mechanism 30 is also used to cut off the tab strip a jointly clamped by the second floating clamping assembly 23 and the third fixed clamping assembly 26 .
  • the first floating clamping assembly 22 is aligned with the second fixed clamping assembly 25 , and the second fixed clamping assembly 25 is used for clamping the poles passing through the first floating clamping assembly 22
  • the cutting mechanism 30 is also used to cut off the tab strip a jointly clamped by the first floating clamping assembly 22 and the second fixed clamping assembly 25 .
  • the tab material tape a unrolled and output by the first unwinding assembly 11 is used as the working material tape
  • the tab material tape a unrolled and output by the second unwinding assembly 12 is used as the spare material tape (that is, the transfer plate 21 is located in the first position) as an example to describe the roll changing process:
  • the transfer plate 21 is at the first position, and the tab material tape a unrolled by the first unwinding assembly 11 is conveyed downstream through the first floating clamping assembly 22 and the first fixed clamping assembly 24 in sequence.
  • the end of the tab material tape a unrolled by the second unwinding assembly 12 is clamped by the second floating clamping assembly 23 and the third fixed clamping assembly 26 .
  • the first floating clamping assembly 22 and the first fixed clamping assembly 24 clamp the unwinding output of the first unwinding assembly 11.
  • Tab material with a The cutting mechanism 30 cuts off the tab strip a jointly clamped by the first floating clamping assembly 22 and the first fixed clamping assembly 24 (that is, the tab strip a output by the first unwinding mechanism), and cuts the tab strip a.
  • the tab material tape a jointly held by the second floating clamping assembly 23 and the third fixed clamping assembly 26 is cut off.
  • both the working material belt and the spare material belt are cut off, which is beneficial to control the length of the spare material belt passing through the second floating clamping assembly 23 , so that when the second floating clamping assembly 23 is aligned with the first fixed clamping assembly 24
  • the cut end of the spare material tape can be better matched with the cut end of the working material tape, which is convenient for the subsequent tape splicing mechanism 70 to connect the cut end of the spare material tape and the cut end of the working material tape.
  • the tape splicing mechanism 70 connects the tab material tape a held by the second floating clamping assembly 23 (that is, the tab material tape a unrolled and output by the second unwinding assembly 12 ) and the pole tab material held by the first fixed clamping assembly 24 .
  • the ear material is connected with a.
  • the second floating clamping assembly 23 and the first fixed clamping assembly 24 release the tab material tape a, so that the tab material tape a unrolled by the second unwinding assembly 12 passes through the second floating clamping assembly 23 in sequence. And the first fixed clamping assembly 24 is transported downstream, that is, the roll change is completed.
  • the first floating clamping assembly 22 includes a first fixing block 221 , a first clamping jaw cylinder 222 and two first clamping blocks 223 .
  • the first fixing block 221 is fixedly connected to the transfer plate 21
  • the first clamping jaw cylinder 222 is installed on the first fixing block 221
  • the two first clamping blocks 223 are respectively installed at two driving ends of the first clamping jaw cylinder 222 . Therefore, the first clamping jaw cylinder 222 can drive the two first clamping blocks 223 to clamp the tab material strip a.
  • the first floating clamping component 22 may also adopt other clamping structures in the prior art, as long as the tab material strip a can be clamped or loosened. This is not limited.
  • the second floating clamping assembly 23 includes a second fixing block 231 , a second clamping jaw cylinder 232 and two second clamping blocks 233 .
  • the second fixing block 231 is fixedly connected to the transfer plate 21
  • the second clamping jaw cylinder 232 is installed on the second fixing block 231
  • the two second clamping blocks 233 are respectively installed on the two driving ends of the second clamping jaw cylinder 232 , Therefore, the second clamping jaw cylinder 232 can drive the two second clamping blocks 233 to clamp the tab material strip a.
  • the second floating clamping component 23 may also adopt other clamping structures in the prior art, as long as the tab material tape a can be clamped or loosened. This is not limited.
  • the first fixing and clamping assembly 24 includes a third fixing block, a third clamping jaw cylinder and two third clamping blocks.
  • the third fixing block is fixedly connected to the base plate 40
  • the third clamping jaw cylinder is installed on the third fixing block
  • the two third clamping blocks are respectively installed on the two driving ends of the third clamping jaw cylinder, so that the third clamping jaw cylinder can be Drive the two third clamping blocks to clamp the tab strip a.
  • the first fixed clamping component 24 may also adopt other clamping structures in the prior art, as long as the tab material tape a can be clamped or released, This is not limited.
  • the second fixed clamping assembly 25 includes a first bracket and a first clamp.
  • the first bracket is fixedly connected to the base plate 40, and the first clamp is used to clamp or loosen the tab material strip.
  • the second fixed clamping component 25 may also adopt other clamping structures in the prior art, as long as the tab material tape a can be clamped or released. This is not limited.
  • the third fixed clamping assembly 26 includes a second bracket and a second clamp.
  • the second bracket is fixedly connected to the base plate 40 , and the second clamp is used to clamp or loosen the tab strip.
  • the third fixed clamping component 26 may also adopt other clamping structures in the prior art, as long as the tab material tape a can be clamped or loosened. This is not limited.
  • the roll changing mechanism further includes a first guide roller 28a and a second guide roller 28b.
  • the first guide roller 28a is installed on the transfer plate 21 and is located on the upstream side of the first floating clamping assembly 22, and is used for guiding the tab strip a unwinding output from the first unwinding assembly 11 to the first floating clamping assembly component 22.
  • the second guide roller 28b is installed on the transfer plate 21 and is located on the upstream side of the second floating clamping assembly 23, and is used to guide the tab strip a unwinding output from the second unwinding assembly 12 to the second floating clamping assembly Component 23.
  • both the first guide roller 28 a and the second guide roller 28 b are located at the part of the transfer plate 21 exposed by the through hole 41 .
  • the number of the first guide rollers 28a may be one or a plurality of them, which is not limited here.
  • the number of the second guide rollers 28b may be one or a plurality of them, which is not limited here.
  • the tab roll changing device further includes a first buffer mechanism 50a and a second buffer mechanism 50b.
  • the first buffer mechanism 50 a is disposed on the base plate 40 and located between the first unwinding assembly 11 and the transfer board 21 , and is used for buffering the tab tape a unwound and output by the first unwinding assembly 11 .
  • the second buffer mechanism 50b is disposed on the base plate 40 and located between the second unwinding assembly 12 and the transfer plate 21, and is used for buffering the tab tape a unrolled and output by the second unwinding assembly 12.
  • the first cache mechanism 50a and the second cache mechanism 50b may adopt relatively mature prior art, and thus will not be repeated here.
  • both the first buffer mechanism 50 a and the second buffer mechanism 50 b are located on the front surface of the substrate 40 .
  • the first unwinding assembly 11 includes a first unwinding shaft 111 and a first driving member 112 .
  • the first unwinding shaft 111 is rotatably connected to the base plate 40 about its own axis, and is used for loading tab rolls.
  • the first driving member 112 is disposed on the base plate 40 and is in driving connection with the first unwinding shaft 111 to drive the first unwinding shaft 111 to rotate around its own axis, thereby realizing unwinding and outputting the tab material tape a.
  • the first unwinding shaft 111 is located on the front side of the substrate 40
  • the first driving member 112 is located on the back side of the substrate 40 .
  • the first driving member 112 may be a motor.
  • the first unwinding assembly 11 further includes two first feeding trays, and the two first feeding trays are mounted on the first unwinding shaft 111 to form between the two first feeding trays for loading The charging space for the tab material roll, so that the tab material roll is loaded through the two first trays.
  • the first unwinding assembly 11 further includes a first abutting structure 61
  • the first abutting structure 61 includes a first mounting block 611 , a first swing block 612 , a first abutting wheel 613 and a first Elastic member 614 .
  • the first mounting block 611 is mounted on the above-mentioned base plate 40
  • one end of the first swinging block 612 is rotatably connected to the first mounting block 611
  • the opposite end of the first swinging block 612 is mounted with a first pressing wheel 613 .
  • the first elastic member 614 is connected to the first mounting block 611 and the first swinging block 612 to provide a pre-tightening force for the first pressing wheel 613 to press against the peripheral outer edges of the two first material discs in the radial direction.
  • the first pressing wheel 613 rolls along the peripheral outer edges of the two first material trays, so that the first pressing wheel 613 abuts against the peripheral outer edges of the two first material trays It is beneficial to keep the peripheral outer edges of the two first trays stable during the unwinding process, so as to alleviate the easy shaking of the peripheral outer edges due to the excessively large diameter of the first trays, thereby improving the unwinding quality. .
  • the peripheral outer wall of the first pressing wheel 613 protrudes outward to form a first limiting portion, and the first limiting portion is located between the two first trays to limit the circumference of the two first trays. Shaking the outer edges toward each other is further beneficial to improve the unwinding quality.
  • the second unwinding assembly 12 includes a second unwinding shaft 121 and a second driving member 122 .
  • the second unwinding shaft 121 is rotatably connected to the base plate 40 around its own axis, and is used for loading the tab material roll.
  • the second driving member 122 is disposed on the base plate 40 and is drivingly connected with the second unwinding shaft 121 to drive the second unwinding shaft 121 to rotate around its own axis, thereby realizing unwinding and outputting the tab material tape a.
  • the second unwinding shaft 121 is located on the front side of the substrate 40
  • the second driving member 122 is located on the back side of the substrate 40 .
  • the second driving member 122 may be a motor.
  • the second unwinding assembly 12 further includes two second feeding trays mounted on the second unwinding shaft 121 to form between the two second feeding trays for loading The charging space for the tab rolls, so that the tab rolls are loaded through the two second trays.
  • the second unwinding assembly 12 further includes a second pressing structure 62
  • the second pressing structure 62 includes a second mounting block 621 , a second swinging block 622 , a second pressing wheel 623 and a second pressing wheel 623 .
  • Elastic member 624 .
  • the second mounting block 621 is mounted on the above-mentioned base plate 40
  • one end of the second swinging block 622 is rotatably connected to the second mounting block 621
  • the opposite end of the second swinging block 622 is mounted with a second pressing wheel 623 .
  • the second elastic member 624 is connected to the second mounting block 621 and the second swinging block 622 to provide a pre-tightening force for the second pressing wheel 623 to press against the peripheral outer edges of the two second material discs in the radial direction.
  • the second pressing wheel 623 rolls along the peripheral outer edges of the two second material trays, so that the second pressing wheel 623 is used to press against the peripheral outer edges of the two second material trays , which is beneficial to keep the peripheral outer edges of the two second feeding trays stable during the unwinding process, relieve the easy shaking of the peripheral outer edges due to the excessively large diameter of the second feeding trays, and thus improve the unwinding quality.
  • peripheral outer wall of the second pressing wheel 623 protrudes outward to form a second limiting portion, the second limiting portion is located between the two second trays to limit the circumference of the two second trays. Shaking the outer edges toward each other is further beneficial to improve the unwinding quality.
  • the cutting mechanism 30 includes a first cutting unit 31 and a second cutting unit 32 arranged on the transfer plate 21 along the first direction.
  • the first cutting unit 31 is located on the downstream side of the first floating clamping assembly 22 , and is used for cutting the tab material tape a passing through the first floating clamping assembly 22 .
  • the second cutting unit 32 is located on the downstream side of the second floating clamping assembly 23 , and is used for cutting the tab material tape a passing through the second floating clamping assembly 23 .
  • first cutting unit 31 and the second cutting unit 32 are used to cut off both the working material tape and the spare material tape when the roll is changed, which is beneficial to control the spare material tape to pass through the first floating clamping assembly 22 or the second
  • the length of the floating clamping assembly 23 is convenient for connecting the cut end of the working tape and the cut end of the spare tape in the subsequent tape splicing mechanism 70 .
  • the cutting mechanism 30 further includes a mounting plate 33 , and the mounting plate 33 is disposed on the transfer plate 21 .
  • the first cutting unit 31 includes a first fixed cutter structure 311 and a first movable cutter structure 312 .
  • the first fixed cutter structure 311 is arranged on the mounting plate 33, and the first movable cutter structure 312 is arranged on one side of the first fixed cutter structure 311 in the first direction, and can be controlled close to or away from the first fixed cutter.
  • the knife structure 311 enables the first movable cutter structure 312 to cooperate with the first fixed cutter structure 311 to cut the tab material tape a.
  • the second cutting unit 32 includes a second fixed cutter structure 321 and a second movable cutter structure 322 .
  • the second fixed cutter structure 321 is disposed on the mounting plate 33
  • the second movable cutter structure 322 is disposed on one side of the second fixed cutter structure 321 in the first direction, and can be controlled close to or away from the second fixed cutter
  • the knife structure 321 enables the second movable cutter structure 322 to cooperate with the second fixed cutter structure 321 to cut the tab material tape a.
  • the cutting mechanism 30 further includes a guide column 35 and a cutting driving member 34 .
  • the guide column 35 is slidably connected with the first fixed cutter structure 311 , and the guide column 35 extends longitudinally along the first direction.
  • the first movable cutter structure 312 and the second movable cutter structure 322 are connected to the guide column 35 to move in the first direction relative to the first fixed cutter structure 311 in synchronization with the guide column 35 , so that the first movable cutter structure 312 Close to or away from the first fixed cutter structure 311 , the second movable cutter structure 322 is close to or away from the second fixed cutter structure 321 .
  • the cutting driving member 34 is mounted on the mounting plate 33 and is in driving connection with the first movable cutter structure 312 , thereby driving the first movable cutter structure 312 and the second movable cutter structure 322 to move in the first direction.
  • the first movable cutter structure 312 and the second movable cutter structure 322 are simultaneously driven by the cutting drive member 34, thereby simplifying the structure of the tab roll changing device and saving the space occupied by the tab roll changing device.
  • the cost of the tab roll changer is reduced.
  • the first fixed cutter structure 311 includes a first fixed cutter base 3111 and a first fixed cutter 3112 , the first fixed cutter base 3111 is fixedly connected to the mounting plate 33 , and the first fixed cutter 3112 is installed On the first fixed cutter seat 3111 , the first fixed cutter seat 3111 is provided with a guide hole penetrating through it in the first direction, and the guide post 35 is slidably fitted with the guide hole.
  • the first movable cutter structure 312 includes a first movable cutter seat 3121 and a first movable cutter 3122, the first movable cutter seat 3121 is fixedly connected to the guide post 35, and the first movable cutter 3122 is installed on the first movable cutter 3122.
  • the first movable cutter seat 3121 can drive the first movable cutter 3122 to approach or move away from the first fixed cutter 3112 in the first direction, and then the first movable cutter 3122 and the first fixed cutter Cut the tab strip a between 3112.
  • the second stationary cutter structure 321 includes a second stationary cutter seat 3211 and a second stationary cutter 3221 , the second stationary cutter seat 3211 is fixedly connected to the mounting plate 33 , and the second stationary cutter 3221 is mounted on the second stationary cutter on the knife holder 3211.
  • the second movable cutter structure 322 includes a second movable cutter seat 3221 and a second movable cutter 3222.
  • the second movable cutter seat 3221 is fixedly connected to the guide column 35, and the second movable cutter 3222 is installed on the second movable cutter.
  • the second movable cutter seat 3221 can drive the second movable cutter 3222 to approach or move away from the second fixed cutter 3212 in the first direction, and then the second movable cutter 3222 and the second fixed cutter Cut the tab strip a between 3212.
  • the cutting drive member 34 is connected with the first movable cutter seat 3121 in a transmission drive to drive the first movable cutter seat 3121, the guide column 35 and the second movable cutter seat 3221 to reciprocate along the first direction.
  • the cutting drive 34 may be an air cylinder.
  • driving structures may also be respectively provided to drive the first movable cutter structure 312 and the second movable cutter structure 322 to perform the cutting action, which is not limited herein.
  • the tab roll changing device further includes a moving drive member 90, and the cutting mechanism 30 is movably connected to the transfer plate 21 along a second direction perpendicular to the first direction.
  • the moving driving member 90 is disposed on the transfer plate 21 , and is in driving connection with the cutting mechanism 30 , so as to drive the cutting mechanism 30 to move relative to the transfer plate 21 along the second direction. Further, the moving driving member 90 is located on the side of the transfer plate 21 away from the substrate 40 .
  • the movement of the cutting mechanism 30 in the second direction includes an avoidance position for avoiding position and a cutting position for cutting the tab material tape a.
  • the moving driver 90 drives the cutting mechanism 30 to move to the cutting position along the second direction.
  • the moving driving member 90 drives the cutting mechanism 30 to move to the avoidance position along the second direction, so as to facilitate the belt-splicing mechanism 70 to perform the belt-splicing action.
  • the moving driver 90 may be an air cylinder.
  • the first direction is the up-down direction
  • the second direction is the direction perpendicular to the paper surface
  • the tab material tape a unrolled and output by the first unwinding assembly 11 passes between the first movable cutter 3122 and the first fixed cutter 3112
  • the tab material tape a unrolled by the second unwinding assembly 12 passes between the second movable cutter 3222 and the second fixed cutter 3211, so that when the first movable cutter 3122 and the second movable cutter 3222 The tab material tape a is cut when moving in the first direction respectively close to the first fixed cutter 3112 and the second fixed cutter 3211 .
  • the tab roll changing device further includes a guide post 91 , one end of which is fixedly connected to the mounting plate 33 and slidably connected to the transfer plate 21 , and the guide post 91 extends longitudinally along the second direction.
  • the guide post 91 realizes that the mounting plate 33 can move in the second direction relative to the transfer plate 21 , that is, the cutting mechanism 30 is driven to move in the second direction.
  • a guide sleeve is installed on the transfer plate 21, and the guide post 91 is slidably fitted in the guide sleeve.
  • one end of the guide post 91 can also be fixedly connected to the transfer plate 21 and slidably connected to the mounting plate 33 , which is not limited herein.
  • the splicing mechanism 70 includes a moving component 71 and a wrapping component 72 , and the wrapping component 72 is disposed on the moving component 71 to be driven by the moving component 71 along the first direction move.
  • the glue wrapping assembly 72 has a glue wrapping platform 721 for carrying the tape, and in the process of moving in the first direction, the end portion of the tab strip a of the first fixed clamping assembly 24 can be clamped and clamped.
  • the end portion of the tab strip a of the first floating clamping assembly 22 or the second floating clamping assembly 23 is carried on the glue wrapping platform 721 .
  • the glue wrapping assembly 72 is used for wrapping the tape around the ends of the two tab material strips a carried on the glue wrapping platform 721 , so as to realize the connection of the ends of the two tab material strips a.
  • the width of the tab strip a is relatively small compared with the electrode sheet strip, and the material may also be different, the traditional method of directly pasting tapes on the ends of the two strips cannot meet the requirements of the tabs. Connection requirements for strip a.
  • the tab roll changing device of the present application creatively uses adhesive tape to wrap the ends of the two tab strips a to achieve connection, so as to ensure the reliability of the roll changing process.
  • the moving component 71 is further used to drive the glue wrapping component 72 to move in a second direction perpendicular to the first direction.
  • the movement of the glue wrapping assembly 72 in the second direction includes a position avoidance position for position avoidance and a glue wrap position for glue wrapping.
  • a position avoidance position for position avoidance
  • a glue wrap position for glue wrapping.
  • the moving component 71 drives the gluing assembly 72 to move to the gluing position along the second direction, and then the moving assembly 71 drives the gluing assembly 72 to move in the first direction until the first fixed clamping assembly
  • the end of the tab strip a clamped by 24 and the end of the tab strip a of the first floating clamping assembly 22 or the second floating clamping assembly 23 are located on the gluing platform 721 so as to facilitate the gluing assembly 72 Glue the ends of the two tab strips a.
  • the moving assembly 71 drives the gluing assembly 72 to return to the gluing position along the first direction, and then drives the gluing assembly 72 to return to the avoidance position along the second direction, so as to avoid cutting during the subsequent roll changing process.
  • the action of the cutting mechanism 30 causes interference.
  • the moving assembly 71 includes a first moving structure and a second moving structure, the first moving structure is disposed on the substrate 40, and the second moving structure is disposed at the driving end of the first moving structure, so as to be driven by the first moving structure Move in the first direction.
  • the glue wrapping assembly 72 is disposed at the driving end of the second moving structure, and is driven by the driving end of the second moving structure to move in the second direction.
  • the first moving structure includes a mounting bracket 711, a driving seat 713 and a third driving member 712.
  • the mounting bracket 711 is fixedly connected to the base plate 40, and the driving seat 713 is movably connected to the mounting bracket 711 along the first direction.
  • the third driving member 712 is disposed on the mounting frame 711 and is drivingly connected with the driving seat 713 to drive the driving seat 713 to move in the first direction.
  • the driving seat 713 can be assembled to the mounting bracket 711 through the guide post 714 and the guide sleeve, so that the driving seat 713 can move relative to the mounting bracket 711 along the first direction.
  • the third driving member 712 may be an air cylinder.
  • the second moving structure includes a fourth driving member 715 , and the fourth driving member 715 is mounted on the driving base 713 .
  • the gluing assembly 72 is connected to the driving end of the fourth driving member 715 to move in the second direction under the driving of the fourth driving member 715 .
  • the fourth driving member 715 may be an air cylinder.
  • the glue-coated platform 721 has an adsorption area b1 and two air blowing areas b2 respectively located on both sides of the adsorption area b1 along the second direction.
  • the adsorption area b1 is used to absorb the adhesive tape
  • each air blowing area b2 is used to blow up the corresponding end of the adhesive tape.
  • the gluing assembly 72 further includes a gluing base 729 , a gluing wheel 7231 and a gluing driving member 725 .
  • the gluing platform 721 is disposed on the gluing base 729
  • the gluing wheel 7231 is rotatably disposed on the gluing platform 721 along the gluing platform 721 .
  • the glue-coated driving member 725 is disposed on the glue-coated base 729 for driving the glue-coated wheel 7231 to roll back and forth between the two blowing areas b2.
  • the adhesive tape is adsorbed on the coating platform 721 by the adsorption area b1, and the opposite ends of the adhesive tape cover the two blowing areas b2.
  • the two blowing areas b2 are named as a first blowing area and a second blowing area.
  • the moving component 71 drives the gluing assembly 72 to move from the gluing position along the first direction, so that the end of the tab strip a clamped by the first fixed clamping assembly 24 and the first floating clamping assembly 22 or the second floating clamp
  • the end of the tab material tape a of the holding assembly 23 falls on the tape on the gluing platform 721 .
  • the adhesive tape is adsorbed on the glue coating platform 721 by the adsorption area b1.
  • the first air blowing area blows up the corresponding end of the adhesive tape
  • the adhesive wrapping drive 725 drives the adhesive wrapping wheel 7231 to roll from the first air blowing area to the second air blowing area, so as to blow the end of the adhesive tape blown up.
  • the parts are pasted on the side of the ends of the two tab strips a away from the glue-coated platform 721 .
  • the second air blowing area blows up the corresponding end of the adhesive tape
  • the adhesive wrapping drive 725 drives the adhesive wrapping wheel 7231 to roll from the second air blowing area to the first air blowing area, so as to blow the end of the adhesive tape that is blown up.
  • the parts are pasted on the side of the ends of the two tab material strips a away from the glue coating platform 721, that is, the glue coating is completed (at this time, the tape is in a C shape).
  • the adsorption area b1 of the glue-coated platform 721 is provided with an adsorption hole for communicating with the external negative pressure device, so as to realize the adsorption of the adhesive tape.
  • the blowing area b2 of the glue coating platform 721 is provided with a blowing hole for communicating with an external blowing device, so as to blow up the corresponding end of the adhesive tape.
  • the wrapping assembly 72 further includes a moving base 722 , a swinging base 723 and a third elastic member 724 .
  • the moving base 722 is movably connected to the wrapping base 729 along the second direction, and the wrapping driving member 725 is connected to the moving base 722 .
  • the transmission connection is used to drive the moving base 722 to move relative to the gluing platform 721 in the second direction.
  • the swinging seat 723 is rotatably connected to the moving seat 722 around a swinging axis.
  • One end of the swing seat 723 is installed with a rubber wrapping wheel 7231 , and the third elastic member 724 abuts against the opposite end of the swing seat 723 and the moving seat 722 to provide a pre-tightening force for the rubber wrapping wheel 7231 to press against the glue wrapping platform 721 .
  • the rubber coating driving member 725 can drive the movable base 722 to move in the second direction, thereby driving the rubber coating wheel 7231 to roll back and forth between the two blowing areas b2.
  • the rubber wrapping wheel 7231 is always kept pressed against the glue wrapping platform 721 during the rolling process, so as to ensure that the end of the blown adhesive tape is wrapped around the two tab material tapes a away from the wrapping One side of the glue platform 721.
  • the third elastic member 724 may be a spring.
  • the glue wrapping assembly 72 further includes a third pressing structure, and the third pressing structure includes a mounting seat 726 , a first pressing driving member 727 a and a first pressing block 728 a.
  • the mounting seat 726 is mounted on the rubber-coated base 729
  • the first pressing driving member 727a is mounted on the mounting seat 726
  • the first pressing block 728a is drivingly connected to the first pressing driving member 727a, so that the first pressing driving member 727a is connected to the first pressing driving member 727a.
  • the tape wrapped at the ends of the two tab material strips a carried on the glue wrapping platform 721 is compacted under driving.
  • the first pressing driving member 727a drives the first pressing block 728a to press the tape, thereby compressing the tape, Make sure that the two tab strips a are connected securely.
  • the first pressing driving member 727a may be an air cylinder.
  • the pressing component further includes a second pressing driving member 727b and a second pressing block 728b, the second pressing driving member 727b is mounted on the mounting seat 726, and the second pressing block 728b is drivingly connected to the second pressing driving member 728b. 727b, so as to clamp the tab strip a held by the first fixed clamping assembly 24 and the first floating clamping assembly 22 or the second floating clamping assembly 23 under the driving of the second pressing driving member 727b.
  • the tab material tape a is pressed against the rubber coating platform 721 .
  • the ends of the two tab material strips a are fixed relative to the gluing platform 721 by the pressing of the second pressing block 728b, so as to avoid the movement of the tab strip a during the gluing process and affect the gluing quality.
  • the second pressing driving member 727b may be an air cylinder.
  • the gluing assembly 72 moves from the gluing position along the first direction, so that the end of the tab material tape a clamped by the first fixed clamping assembly 24 and the first floating clamping assembly 22 or the end of the tab material tape a of the second floating clamping assembly 23 falls on the tape on the glue wrapping platform 721, the first pressing block 728a and the second pressing block 728b can be used to jointly press the two The ends of the tab material strips a enable the ends of the two tab material strips a to be adsorbed on the tape on the glue wrapping platform 721 more smoothly, which is beneficial to improve the glue wrapping effect.
  • the first abutting driving member 727a drives the first abutting block 728a back to the initial position, and the two ends of the tape are pasted on the two tabs by the cooperation of the rubber wrapping wheel 7231 and the two air blowing areas b2 The end of the tape a faces away from the side of the glue coating platform 721 . Finally, the first abutting driving member 727a drives the first abutting block 728a to compress the tapes wrapped by the ends of the two tab strips a.
  • the present application further provides a winding device comprising the tab winding changing device described in any of the above embodiments.
  • the winding equipment is used for winding the core to form the battery core
  • the tab winding device is used for providing the tabs of the battery core.

Abstract

La présente invention concerne un dispositif de changement de rouleau de languette et un appareil d'enroulement. Le dispositif de changement de rouleau de languette comprend : un mécanisme de déroulement ; un mécanisme de changement de rouleau, comprenant une plaque de transfert, un premier ensemble de serrage flottant, un second ensemble de serrage flottant, et un premier ensemble de serrage fixe ; un mécanisme de coupe pour couper une courroie de matériau à languette serrée par le premier ensemble de serrage flottant ou le second ensemble de serrage flottant et le premier ensemble de serrage fixe ; et un mécanisme de liaison de courroie pour relier la sortie de courroie de matériau de languette par le mécanisme de déroulement.
PCT/CN2021/123888 2020-10-19 2021-10-14 Dispositif de changement de rouleau de languette et appareil d'enroulement WO2022083499A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP21881917.5A EP4117077A1 (fr) 2020-10-19 2021-10-14 Dispositif de changement de rouleau de languette et appareil d'enroulement
US17/916,079 US11753264B2 (en) 2020-10-19 2022-09-30 Tab roll replacing device and winding apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011117000.1 2020-10-19
CN202011117000.1A CN112186272A (zh) 2020-10-19 2020-10-19 极耳换卷装置及卷绕设备

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/916,079 Continuation US11753264B2 (en) 2020-10-19 2022-09-30 Tab roll replacing device and winding apparatus

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Publication Number Publication Date
WO2022083499A1 true WO2022083499A1 (fr) 2022-04-28

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US (1) US11753264B2 (fr)
EP (1) EP4117077A1 (fr)
CN (1) CN112186272A (fr)
WO (1) WO2022083499A1 (fr)

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